Which of following sentences contains an error in punctuation?

Which of the following sentences is correct in terms of number usage, style, or consistency?

Which of the following sentences contains an agreement error

Which of the following sentences contains an agreement error?

Identify the type of error contained in the following sentence. Because I have an extreme allergy to nuts, I only ate the cake and not the pecan pie.

Read the following passage and identify the line that contains an error or inconsistency.

Which of the following describes the proofreader's mark to indicate where to make the space between lines or words equal?

Does the following sentence have correct spelling? The car's engine made a wierd noise.

True or false? Coordinate adjectives should be separated by commas.

You would like to use an exceptionally long quotation in your paper, so you create a block quotation. Should the passage be double-spaced?

Which of the following is the proofreader's mark to indicate when a proofreader should include a letterspace?